CVE-2022-27881

 

Published at: - 25-03-2022 07:15

Last modified: - 12-05-2022 10:05

Total changes: - 4

Description

engine.c in slaacd in OpenBSD 6.9 and 7.0 before 2022-02-21 has a buffer overflow triggerable by an IPv6 router advertisement with more than seven nameservers. NOTE: privilege separation and pledge can prevent exploitation.

Common Vulnerability Scoring System (CVSS)

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

 

Verification logic

 

Reference

• https://blog.quarkslab.com/heap-overflow-in-openbsds-slaacd-via-router-advertisement.html
• https://ftp.openbsd.org/pub/OpenBSD/patches/6.9/common/030_slaacd.patch.sig
• https://ftp.openbsd.org/pub/OpenBSD/patches/7.0/common/014_slaacd.patch.sig
• https://security.netapp.com/advisory/ntap-20220506-0005/

 

Keywords

NVD

 

CVE-2022-27881

 

CVE

 

Common vulnerabilities & exposures

 

CVSS

 

Common vulnerability scoring system

 

Security

 

Vulnerabilities

 

Exposures